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| author |  bors[bot] <26634292+bors[bot]@users.noreply.github.com>
| 2019-10-22 05:29:23 +0000 |
|---|---|---|
| committer |  GitHub <noreply@github.com>
| 2019-10-22 05:29:23 +0000 |
| commit | 7d2fa7014dd30ed477180615a4a651535644e51d (patch) | |
| tree | 98034938ce7c9bdbecf6b7174fb3c1204ed44896 /macros/src/codegen/resources.rs | |
| parent | 1fe9767ebac37a6f220d5e84505e16691b370002 (diff) | |
| parent | 9f092efe24a712add30a0512a922cd64d3666069 (diff) | |
| download | rtic-7d2fa7014dd30ed477180615a4a651535644e51d.tar.gz rtic-7d2fa7014dd30ed477180615a4a651535644e51d.tar.zst rtic-7d2fa7014dd30ed477180615a4a651535644e51d.zip | |
Merge #257
257: do not zero late resource memory on boot r=korken89 a=japaric
this is done using the `.uninit` linker section; this optimization was already
being applied to message buffers but I forgot to also apply it to late resources
Co-authored-by: Jorge Aparicio <jorge@japaric.io>
Diffstat (limited to 'macros/src/codegen/resources.rs')
| -rw-r--r-- | macros/src/codegen/resources.rs | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/macros/src/codegen/resources.rs b/macros/src/codegen/resources.rs index bec46020..8cb788d1 100644 --- a/macros/src/codegen/resources.rs +++ b/macros/src/codegen/resources.rs @@ -32,7 +32,11 @@ pub fn codegen( cross_initialized: false, } => ( util::cfg_core(*core, app.args.cores), - util::link_section("data", *core), + if expr.is_none() { + util::link_section_uninit(Some(*core)) + } else { + util::link_section("data", *core) + }, ), // shared `static`s and cross-initialized resources need to be in `.shared` memory @@ -42,7 +46,11 @@ pub fn codegen( } else { None }, - None, + if expr.is_none() { + util::link_section_uninit(None) + } else { + None + }, ), }; |